The O.S. Engine 25FX II is a high performance side exhaust aero engine that is suitable for many styles of small R/C aircraft such as sport, scale, aerobatic and even .25 class pylon racers.
The 25FX II uses a direct needle 21L carburettor for excellent usability and a 892 silencer with adjustable exhaust direction.
O.S.'s legendary standard of build quality is evident throughout.
Weight
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260g (9.17oz)
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Capacity
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4.07cc (0.248 cu.in.)
|
Bore
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18mm (0.709")
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Stroke
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16mm (0.630")
|
Power Output
|
0.84 ps (0.83 hp)
|
Practical RPM
|
2,500 - 19,000
|
- Brand: OS Engines
- Part No: L-OS12662
- Format: Nitro 2 Stroke
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